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Result of symbol lookup:
  Space group number: 144
  Schoenflies symbol: C3^2
  Hermann-Mauguin symbol: P 31
  Hall symbol: P 31

Input space group symbol: P 31
Convention: Default

Number of lattice translations: 1
Space group is acentric.
Space group is chiral.
Space group is enantiomorphic.
Number of representative symmetry operations: 3
Total number of symmetry operations: 3

Parallelepiped containing an asymmetric unit:
  0<=x<1; 0<=y<1; 0<=z<1/3

List of symmetry operations:
Matrix Rotation-part type Axis direction Screw/glide component Origin shift
x,y,z 1---
-y,x-y,z+1/3 3^1[0,0,1]0,0,1/30,0,0
-x+y,-x,z+2/3 3^-1[0,0,1]0,0,2/30,0,0

List of Wyckoff positions:
Wyckoff letter Multiplicity Site symmetry
point group type
Representative special position operator
a31x,y,z

Harker planes:
Algebraic Normal vector A point in the plane
x-y,-x-2*y,1/3[0,0,1]0,0,1/3

Additional generators of Euclidean normalizer:
  Number of structure-seminvariant vectors and moduli: 2
    Vector    Modulus
    (0, 0, 1) 0
    (1, 2, 0) 3
  Further generators:
Matrix Rotation-part type Axis direction Screw/glide component Origin shift
-x,-y,z 2[0,0,1]0,0,00,0,0
y,x,-z 2[1,1,0]0,0,00,0,0

Grid factors implied by symmetries:
  Space group: (1, 1, 3)
  Structure-seminvariant vectors and moduli: (3, 3, 1)
  Euclidean normalizer: (3, 3, 3)

  All points of a grid over the unit cell are mapped
  exactly onto other grid points only if the factors
  shown above are factors of the grid.


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